NEW 2024
SIERRA HEAVY DUTY
FEATURING THE FIRST EVER SIERRA HD DENALI ULTIMATE
AVAILABLE SPRING 2023
KEY FEATURES
GMC SIERRA HD TRIMS
Sierra Heavy Duty is technologically advanced with premium comfort and the power you need to pull your world.

STARTING AT: $44,400†
AS SHOWN: $50,900†
PRO
Key Features:
- Standard 6.6L V8 Gas Engine With Allison® 10-Speed Automatic Transmission
- Standard LED Headlamps and Daytime Running Lamps
- Standard Trailering Package and Trailering Mirrors
- Best-in-Class† Heavy-Duty Cargo Bed Volume
- Standard Wireless Apple CarPlay®† and Wireless Android AutoTM† Compatibility
- Available MultiPro™ Tailgate

STARTING AT: $49,200†
AS SHOWN: $56,396†
SLE
Key Features:
- Standard 6.6L V8 Gas Engine or Available 6.6L Duramax Turbo Diesel Engine With Allison® 10-Speed Automatic Transmission
- Standard 13.4" Diagonal Center Touch-Screen and 12.3" Diagonal Driver Information Center
- Available X31 Off-Road Package With Twin-Tube Rancho® Shocks and Skid Plates
- Standard Wireless Apple CarPlay®† and Wireless Android AutoTM† Compatibility
- Standard MultiPro™ Tailgate

STARTING AT: $60,500†
AS SHOWN: $64,395†
SLT
Key Features:
- Standard 6.6L V8 Gas Engine or Available 6.6L Duramax Turbo Diesel Engine With Allison® 10-Speed Automatic Transmission
- 13.4" Diagonal Center Touch-Screen and 12.3" Diagonal Driver Information Center
- Offers the Most Trailering-Assistance Technologies in Its Class,† Including an In-Vehicle Trailering App†
- Available 10-Way Power-Adjustable Front Heated and Ventilated Bucket Seats With Perforated Leather Appointments
- Available 20" Polished Aluminum Wheels With Technical Gray Painted Accents

STARTING AT: $69,100†
AS SHOWN: $69,100†
AT4
Key Features:
- Standard 6.6L V8 Gas Engine or Available 6.6L Duramax Turbo Diesel Engine With Allison® 10-Speed Automatic Transmission
- 13.4" Diagonal Center Touch-Screen, 12.3" Diagonal Digital Driver Information Center and Available Multicolor 15" Diagonal Head-Up Display With Off-Road Inclinometer
- Unique Jet Black Interior With Kalahari Accents and Heated and Ventilated Perforated Front Leather Seating Surfaces
- Standard 20” Gloss-Black Aluminum Wheels With Available BFGoodrich Off-Road Tires
- Off-Road Suspension Package With Twin-Tube Rancho® Shocks and Skid Plates

STARTING AT: $73,200†
AS SHOWN: $73,695†
DENALI
Key Features:
- Standard 6.6L V8 Gas Engine or Available 6.6L Duramax Turbo Diesel Engine Wiith Allison® 10-Speed Automatic Transmission
- Standard 20" Ultra-Bright Machined Wheels With Bright Chrome Inserts (Single Rear Wheel Models Only)
- 13.4" Diagonal Center Touch-Screen, 12.3" Diagonal Digital Driver Information Center and Available Multicolor 15" Diagonal Head-Up Display
- Denali-Exclusive Authentic Open-Pore Wood, Patterned Aluminum Trim and Forge Perforated Leather Seating Surfaces

STARTING AT: $91,900†
AS SHOWN: $92,395†
DENALI ULTIMATE
Key Features:
- Standard 6.6L V8 Duramax Turbo Diesel Engine with Allison® 10-Speed Automatic Transmission
- Signature Denali Vader Chrome Grille and Exclusive 20″ Ultra-Bright Machined Aluminum Wheels With Gloss-Black Inserts (Single Rear Wheel Models Only)
- Ultimate Alpine Umber Interior Featuring Full-Grain Leather Seating and Authentic Open-Pore Paldao Wood and 16-Way Power Front Seats With Massage Feature
- 12-Speaker Bose® Premium Series With Centerpoint® Surround Sound
- Standard Illuminated Power Assist Steps and MultiProTM KICKER® Audio System†

2024 SIERRA HD AT4X & AT4X AEV EDITION
2024 SIERRA HD AT4X & AT4X AEV EDITION
PULL YOUR WORLD WITH TURBOCHARGED POWER
Sierra Heavy Duty’s world-class towing capability is enhanced for 2024 with an available all-new, more efficient turbocharger.

(As shown: avail. 30,800 lbs† towing capability)
AVAILABLE 6.6L DURAMAX TURBO DIESEL WITH ALL-NEW TURBOCHARGER AND ALLISON® 10-SPEED AUTOMATIC TRANSMISSION OFFERS:
975 lb-ft of Torque and 470 hp
Up to 25% Increase in Low-End Torque Over the Previous Model Year
Increased Power and Torque Over the Entire Operating Speed Range
Enhanced Exhaust Brake Performance for Improved Control When Towing
Improved Engine Braking With a More Powerful Turbo Vane Actuator and Uprated Valve Springs
AVAILABLE
BEST-IN-CLASS 2500 CREW CAB MAX TOWING OF UP TO 22,070 LBS†
EXPERIENCE AVAILABLE V8 TOWING PROWESS
6.6L V8 GAS ENGINE WITH ALLISON®
10-SPEED AUTOMATIC TRANSMISSION
401 hp | 464 lb-ft of Torque
AVAILABLE
3500 MAX TOWING OF UP TO 36,000 LBS†
Sierra Heavy Duty’s 6.6L V8 gas engine, standard on most models, is now paired with the Allison 10-speed automatic transmission. This allows the engine to be held closer to its peak power band, optimizing power, torque and efficiency.
FEATURE HIGHLIGHTS
SIERRA HEAVY DUTY ADVANCED TRAILERING
The New 2024 Sierra Heavy Duty offers the most trailering-assistance technologies in its class,† and this available advanced tech allows you to trailer with enhanced confidence and improved views.
YOUR SCREENS
YOUR WAY
Sierra Heavy Duty’s available massive customizable screens let you organize your information and media the way you want.
AVAILABLE 12.3" DIAG. DIGITAL DRIVER INFORMATION CENTER
AVAILABLE 13.4" DIAG. CENTER TOUCH-SCREEN—THE LARGEST IN ITS CLASS†
AVAILABLE MULTICOLOR 15" DIAG. HEAD-UP DISPLAY
INTRODUCING THE FIRST EVER
SIERRA HD DENALI ULTIMATE
THE MOST ADVANCED AND LUXURIOUS HEAVY-DUTY PICKUP IN ITS CLASS†
ENHANCED 6.6L DURAMAX TURBO DIESEL WITH NEW TURBOCHARGER AND ALLISON® 10-SPEED TRANSMISSION
OFFERS THE MOST TRAILERING-ASSISTANCE TECHNOLOGIES IN ITS CLASS†
THE ULTIMATE
IN DENALI LUXURY
The First Ever Sierra HD Denali Ultimate takes premium capability to amazing new places inside and out.
STAND OUT IN
ULTIMATE STYLE
Denali Ultimate’s signature style boldly announces its presence everywhere you go.


NEW SIGNATURE DENALI GRILLE, LOWER SKID PLATE AND GMC BADGING FINISHED IN VADER CHROME

NEW LED PROJECTOR HEADLAMPS AND SIGNATURE LIGHTING WITH ANIMATED SEQUENCES

EXCLUSIVE 20" ULTRA-BRIGHT MACHINED ALUMINUM WHEELS WITH HIGH-GLOSS BLACK ACCENTS (Single Rear Wheel Models Only)
SIERRA HD AT4:
PREMIUM OFF-ROADING
AT4 offers powerful capability engineered to take on off-road obstacles and the tough backcountry.
SIERRA HD AT4 CAPABILITY FEATURES:
Off-Road Suspension With Rancho® Shocks and Skid Plates
2-Speed AutoTrac Transfer Case With Active Automatic 4WD
Traction Select System With Off-Road and Tow/Haul Modes
Hill Descent Control and Hill Start Assist
New Available BFGoodrich Off-Road Tires
STAND-OUT IN AT4 STYLE

EXTERIOR DETAILS INCLUDE:
- Redesigned AT4 Grille and Front Fascia
- New LED Projector Headlamps and Signature Lighting With Animated Sequences
- Available Power-Retractable Assist Steps With LED Perimeter Lighting
- World’s First Six-Function GMC MultiProTM Tailgate
- Red Vertical Recovery Hooks†
- Spray-on Bedliner With AT4 Logo
- Standard 20" Gloss-Black Aluminum Wheels With Available BFGoodrich Off-Road Tires
INTERIOR DETAILS INCLUDE:
- Premium AT4 Interior in Jet Black With Kalahari Accents
- Premium All-Weather Floor Liners With Removable Carpet Inserts
- Wrapped Heated Steering Wheel
- 10-Way Power Front Seats
- Heated and Ventilated Front Leather Seating Surfaces
- Available 15" Diag. Multicolor Head-Up Display
- Available Rear Camera Mirror†
DENALI SETS THE STANDARD
Sierra HD Denali’s advanced tech and premium signature Denali styling are first-class all the way.
FIRST-CLASS INTERIOR FEATURES:
- Spacious Interior Features Best-in-Class† Crew Cab Front Head and Leg Room
- Perforated Forge Leather Seating Surfaces With Contrasting Stitch Pattern
- Aluminum Trim and Chrome Accents
- Premium Instrument Panel and Door Trim With Authentic Open-Pore Walnut Wood Detailing
- Embroidered Denali Logo on Front Seatbacks
- Etched Stainless-Steel Speaker Grille Details
DENALI SIGNATURE STYLING:
- Bold, New Front Bumper, Fascia and Redesigned Denali Chrome Grille
- 20" Ultra-Bright Machined Aluminum Wheels With Bright Chrome and Gloss-Black Accents (Single Rear Wheel Models Only) and Larger 18" Forged Polished Aluminum Wheels (Dual Rear Wheel Models Only)
- Available Power-Retractable Assist Steps With LED Perimeter Lighting and Bright Accents
- Chrome Vertical Front Recovery Hooks†
- New LED Projector Headlamps and Signature Lighting With Animated Sequences
- Spray-On Bedliner With Denali Logo
MADE TO PULL
PRO, SLE & SLT CAPABILITY
Sierra HD Pro, Sierra HD SLE and Sierra HD SLT have what it takes to tow with power and confidence.
PRO FEATURES:
- Available Max Trailering Package
- Available Gooseneck/Fifth-Wheel Prep Package
SLE FEATURES:
- Integrated Trailer Brake Controller
- Available Traction Select System with Tow/Haul Mode
SLT FEATURES:
- ProGradeTM Trailering System
- In-Vehicle Trailering App†
SPECS
GALLERY





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